Willow FHR4-801100R1D High stability power rating from to 2500 w Datasheet

FHR 4-8065 4-80110 4-80216
4-80320 4-80370
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SPECIFICATIONS
ELECTRICAL
Power Rating from to 2500 W
High Stability
Low TCR
Low Inductance
Low Noise
FHR 4-8065 / 80110 / 80216 / 80320 / 80370
Resistance Range
:
R001 ...500R (FHR 4-8065 up to 400R)
Power Rating
:
350 W / 600 W / 1200 W / 2000 W / 2500 W
with heatsink
24 W / 32 W / 60 W / 80 W / 90 W
without heatsink (25°C)
Thermal Resistance Rthj-c :
0.16 / 0.09 / 0.04 / 0.026 / 0.022 K/W
Tolerances
from R001
from R005
from R010
from R020
:
:
:
:
:
0.5%, 1%, 2%, 5%
0.5%, 1%, 2%, 5%
0.25%, 0.5%, 1%, 2%, 5%
0.1%, 0.25%, 0.5%, 1%, 2%, 5%
Stability
:
0.1%, 0.2%, 0.5% (depending on stress)
Temperature Coefficient :
±15 ppm/K (20...60)°C
from R < R02 ±20 ppm/K (20...60)°C
from R < R01 ±30 ppm/K (20...60)°C
for 2-pin type TCR-Shift depends on resistor value
(see next page)
Inductivity
:
Capacity against housing :
Insulation Strenght
:
Thermal EMF
:
Max. current
:
< 50 nH
500 pF / 850 pF / 1.7 nF / 2.5 nF / 2.9 nF
1.5 kVDC (higher upon request)
< 1 µV/K
Standard cable 60 A
(Special contact up to 250 A)
ENVIRONMENTAL
Operating Temperature Range
MECHANICAL Resistor Material
Substrate
Housing
Connection
:
:
:
:
:
-40°C ... 130°C
Metalfoil CuNiMn (DIN 17471)
anodized Aluminium
anodized Aluminium
Cu-Cable, 4 mm2, 500 mm lenght
(other upon request, also AWG possible)
4-pin (2-pin upon request)
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk
FHR 4-8065
4-80110 4-80216 4-80320 4-80370
TEMPERATURE COEFFICIENT
TCR-Shift for 2-pin types (FHR2-80xxx)
2000
+ 15 ppm/K
250
1000
-1000
- 15 ppm/K
-2000
-3000
Limit 2 (3σ)
-4000
-5000
Nom inal dR/R
TCR - Shift (ppm/K)
200
150
100
50
-6000
Limit 1 (3σ)
120
0
140
Tem perature (°C)
Resistance Value (mOhm)
DERATING CURVE
120
100
0,5%
80
0,2%
%
0,1%
60
40
20
0
25
50
DIMENSIONS
FHR 4-8065
FHR 4-80110
FHR 4-80216
FHR 4-80320
FHR 4-80370
200
100
100
80
60
50
40
20
20
5
0
10
-20
2
-7000
-40
Power ( % from
nominal power)
dR/R (ppm )
0
75
85
100
115
130
Tem perature of the backplate (°C)
A
65
110
216
320
370
HOW TO ORDER
FHR 4-80110 0R1 D 0.25%
L1
6,0
6,0
6,0
6,0
6,0
L2
59,0
104,0
108,0
108,5
125,5
L3
210,0
211,5
244,5
L4
314,0
364,0
FHR 4-80216 1R0 D 1%
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk
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